| Tournament | Round | Cheah Siu Hean | Carol Johnsen |
| 09.04.2012 Australian Championship (TAS) | 13 | 608 | 277 |
| 17.04.2017 National Championship (WA) | 14 | 431 | 326 |
| 02.04.2018 2018 National Championship (ACT) | 19 | 477 | 352 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 505.33 | 318.33 | |
| Spread: | 561 | -561 | |